[Radiance-general] Re: falsecolor's isolux on observer's luminance.

[Greg Ward]

Hi Lucio,

It is possible to do what you want, but you need to first generate a  
view using rpict at a high resolution with the -z option to specify a  
depth buffer for output.  Then, give the picture and depth buffer to  
pinterp with the desired orthogonal view and resolution for your  
falsecolor isoluminance image.  Pass the output to falsecolor and  
generate your contours.  The actual values will correspond to the  
original rpict view, but the image will be reprojected into your  
orthogonal view.

Hope this helps!
-Greg

> From: "loscotec\@libero\.it" <loscotec at libero.it>
> Date: February 4, 2008 7:10:05 AM PST
>
> Good day to everybody!
>
> I need yuor help!
>
> I would like to know if it is possible to do what I'm going to  
> explain and how could I obtain such result.
>
> So.. what I need is to have in the end an orthogonal view from  
> above a street which shows isolux lines of luminance from a  
> determined poin of view.
>
> I guess I should tell Radiance for every and each point of the  
> street as seen from above to collect radiance values as if that  
> point was seen from the observer point of view instead than from  
> above, and then to store those data in an .pic image. Then I would  
> have to pass this to falsecolor to compute isolines..
>
> but I don't know how I could do it.. even if I'm quite sure it is  
> possible.. !!
>
> Can someone help me?
>
> Lucio